7/16-14 x 2 1/4 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc 20NCUP188 It has a slotted drive

It has a slotted drive and an indented hex washer head

These 10-16 x 1 1/4 Unslotted Indent Hex Washer Self Drill Screw Full Thread 18-8 Stainless Steel screws are designed for use in a variety of applications

and a 6-lobe pan head for easy driving and a secure hold

This 5/16-18 x 1 1/2 inch fully threaded carriage bolt is made of steel and has a zinc finish

7/16-14 x 2 1/4 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc 20NCUP188 It has a slotted driveThis 7 16 14 x 2 1 4 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc is a type of screw that is used in a variety of applications. It is made of steel and has a zinc coating for added durability. The screw has a serrated hex head that provides a secure grip for driving, and a flanged washer that helps to distribute the load and prevent the screw from loosening. The full thread design allows for a strong hold in a variety of materials.